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ANSWERS

DowntoearthdigsCertified GKH Gardening Expert

Answered on May 1, 2015

There could be a few reason for leaves or stems dying off.
Is the plants receiving adequate water or to much water?
Is the plant in need of trimming?
Fertilizer applications should be done in spring and fall, not on a continual basis.
Have you inspected the plant carefully for any signs of insects?